iso-profit line

例句：

1. 1. The company's iso-profit line is a key to its success.
   该公司的iso-profit line是其成功的关键。
2. 2. The new product line has been designed to meet the needs of the modern consumer.
   新产品线已经设计来满足现代消费者的需求。
3. 3. The iso-profit line is expected to increase profits by 20% within the next twoyears.
   预计iso-profit line在未来两年内将增加利润20%。